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use cached fee rate estimates on initial server connection if available, and retrieve updates from fee rate source immediately afterwards

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This commit is contained in:
Craig Raw
2024-03-28 14:14:32 +02:00
parent f0bfc44e72
commit a805d9e036
2 changed files with 37 additions and 15 deletions
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src/main/java/com/sparrowwallet/sparrow/net/ElectrumServer.java
+14 -8
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@@ -812,13 +812,19 @@ public class ElectrumServer {
return transactionMap;
}
public Map<Integer, Double> getFeeEstimates(List<Integer> targetBlocks) throws ServerException {
public Map<Integer, Double> getFeeEstimates(List<Integer> targetBlocks, boolean useCached) throws ServerException {
Map<Integer, Double> targetBlocksFeeRatesSats = getDefaultFeeEstimates(targetBlocks);
FeeRatesSource feeRatesSource = Config.get().getFeeRatesSource();
feeRatesSource = (feeRatesSource == null ? FeeRatesSource.MEMPOOL_SPACE : feeRatesSource);
if(Network.get().equals(Network.MAINNET)) {
targetBlocksFeeRatesSats.putAll(feeRatesSource.getBlockTargetFeeRates(targetBlocksFeeRatesSats));
if(useCached) {
if(AppServices.getTargetBlockFeeRates() != null) {
targetBlocksFeeRatesSats.putAll(AppServices.getTargetBlockFeeRates());
}
} else {
FeeRatesSource feeRatesSource = Config.get().getFeeRatesSource();
feeRatesSource = (feeRatesSource == null ? FeeRatesSource.MEMPOOL_SPACE : feeRatesSource);
if(Network.get().equals(Network.MAINNET)) {
targetBlocksFeeRatesSats.putAll(feeRatesSource.getBlockTargetFeeRates(targetBlocksFeeRatesSats));
}
}
return targetBlocksFeeRatesSats;
@@ -1204,7 +1210,7 @@ public class ElectrumServer {
String banner = electrumServer.getServerBanner();
Map<Integer, Double> blockTargetFeeRates = electrumServer.getFeeEstimates(AppServices.TARGET_BLOCKS_RANGE);
Map<Integer, Double> blockTargetFeeRates = electrumServer.getFeeEstimates(AppServices.TARGET_BLOCKS_RANGE, true);
Set<MempoolRateSize> mempoolRateSizes = electrumServer.getMempoolRateSizes();
feeRatesRetrievedAt = System.currentTimeMillis();
@@ -1220,7 +1226,7 @@ public class ElectrumServer {
long elapsed = System.currentTimeMillis() - feeRatesRetrievedAt;
if(elapsed > FEE_RATES_PERIOD) {
Map<Integer, Double> blockTargetFeeRates = electrumServer.getFeeEstimates(AppServices.TARGET_BLOCKS_RANGE);
Map<Integer, Double> blockTargetFeeRates = electrumServer.getFeeEstimates(AppServices.TARGET_BLOCKS_RANGE, false);
Set<MempoolRateSize> mempoolRateSizes = electrumServer.getMempoolRateSizes();
feeRatesRetrievedAt = System.currentTimeMillis();
return new FeeRatesUpdatedEvent(blockTargetFeeRates, mempoolRateSizes);
@@ -1679,7 +1685,7 @@ public class ElectrumServer {
return new Task<>() {
protected FeeRatesUpdatedEvent call() throws ServerException {
ElectrumServer electrumServer = new ElectrumServer();
Map<Integer, Double> blockTargetFeeRates = electrumServer.getFeeEstimates(AppServices.TARGET_BLOCKS_RANGE);
Map<Integer, Double> blockTargetFeeRates = electrumServer.getFeeEstimates(AppServices.TARGET_BLOCKS_RANGE, false);
Set<MempoolRateSize> mempoolRateSizes = electrumServer.getMempoolRateSizes();
return new FeeRatesUpdatedEvent(blockTargetFeeRates, mempoolRateSizes);
}